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API > API/Runtime > API/Runtime/UMG > API/Runtime/UMG/Components
Inheritance Hierarchy
- UObjectBase
- UObjectBaseUtility
- UObject
- UVisual
- UWidget
- UPanelWidget
- UContentWidget
- UInvalidationBox
References
| Module | UMG |
| Header | /Engine/Source/Runtime/UMG/Public/Components/InvalidationBox.h |
| Include | #include "Components/InvalidationBox.h" |
Syntax
class UInvalidationBox : public UContentWidget
Remarks
Invalidate
- Single Child
- Caching / Performance
Variables
| Type | Name | Description | |
|---|---|---|---|
 |
TSharedPtr< class SInvalidationPanel > | MyInvalidationPanel |
Constructors
| Type | Name | Description | |
|---|---|---|---|
 |
UInvalidationBox
(
const FObjectInitializer& ObjectInitializer |
Functions
| Type | Name | Description | |
|---|---|---|---|
  |
bool | GetCanCache () |
|
 |
void | SetCanCache
(
bool CanCache |
Tell the InvalidationBox to use the invalidation process. |
Overridden from UPanelWidget
| Type | Name | Description | |
|---|---|---|---|
  |
void | OnSlotAdded
(
UPanelSlot* Slot |
|
  |
void | OnSlotRemoved
(
UPanelSlot* Slot |
Overridden from UWidget
| Type | Name | Description | |
|---|---|---|---|
  |
const FText | Gets the palette category of the widget | |
  |
TSharedRef< SWidget > | Function implemented by all subclasses of UWidget is called when the underlying SWidget needs to be constructed. |
Overridden from UVisual
| Type | Name | Description | |
|---|---|---|---|
  |
void | ReleaseSlateResources
(
bool bReleaseChildren |
Deprecated Variables
| Type | Name | Description | |
|---|---|---|---|
 |
bool | bCanCache | Direct access to bCanCache is deprecated. Please use the getter or setter. |
Deprecated Functions
| Type | Name | Description | |
|---|---|---|---|
 |
void | InvalidationCache is not used. |